<template>
  <div class='login'>
    <div class='login-box'>
      <img alt='' src='@/assets/login/login-l.png' />
      <div class='login-form'>
        <el-form ref='loginForm' :model='loginForm' :rules='loginRules'>
          <div class='login-form-title'>
            <img
              alt=''
              src='@/assets/login/icon_logo.png'
              style='width: 149px; height: 38px'
            />
            <!-- <span class="title-label">苍穹外卖</span> -->
          </div>
          <el-form-item prop='username'>
            <el-input
              v-model='loginForm.username'
              auto-complete='off'
              placeholder='账号'
              prefix-icon='iconfont icon-user'
              type='text'
            />
          </el-form-item>
          <el-form-item prop='password'>
            <el-input
              v-model='loginForm.password'
              placeholder='密码'
              prefix-icon='iconfont icon-lock'
              type='password'
              @keyup.enter.native='handleLogin'
            />
          </el-form-item>
          <el-form-item style='width: 100%'>
            <el-button
              :loading='loading'
              class='login-btn'
              size='medium'
              style='width: 100%'
              type='primary'
              @click.native.prevent='handleLogin'
            >
              <span v-if='!loading'>登录</span>
              <span v-else>登录中...</span>
            </el-button>
          </el-form-item>
        </el-form>
      </div>
    </div>
  </div>
</template>

<script lang='ts'>
import { Component, Vue, Watch } from 'vue-property-decorator'
import { Route } from 'vue-router'
import { Form as ElForm, Input } from 'element-ui'
import { UserModule } from '@/store/modules/user'
import { isValidUsername } from '@/utils/validate'

@Component({
  name: 'Login'
})
export default class extends Vue {
  private loginForm = {
    username: 'admin',
    password: '123456'
  } as {
    username: String
    password: String
  }
  private loading = false
  private redirect?: string

  private validateUsername = (rule: any, value: string, callback: Function) => {
    if (!value) {
      callback(new Error('请输入用户名'))
    } else {
      callback()
    }
  }

  private validatePassword = (rule: any, value: string, callback: Function) => {
    if (value.length < 6) {
      callback(new Error('密码必须在6位以上'))
    } else {
      callback()
    }
  }

  loginRules = {
    username: [{ validator: this.validateUsername, trigger: 'blur' }],
    password: [{ validator: this.validatePassword, trigger: 'blur' }]
  }

  @Watch('$route', { immediate: true })
  private onRouteChange(route: Route) {
  }

  // 登录
  private handleLogin() {
    (this.$refs.loginForm as ElForm).validate(async (valid: boolean) => {
      if (valid) {
        this.loading = true
        await UserModule.Login(this.loginForm as any)
          .then((res: any) => {
            if (String(res.code) === '1') {
              this.$router.push('/')
            } else {
              // this.$message.error(res.msg)
              this.loading = false
            }
          })
          .catch(() => {
            // this.$message.error('用户名或密码错误！')
            this.loading = false
          })
      } else {
        return false
      }
    })
  }
}
</script>

<style lang='scss'>
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  // background: #476dbe;
  background-color: #333;
}

.login-box {
  width: 1000px;
  height: 474.38px;
  border-radius: 8px;
  display: flex;

  img {
    width: 60%;
    height: auto;
  }
}

.title {
  margin: 0px auto 10px auto;
  text-align: left;
  color: #707070;
}

.login-form {
  background: #ffffff;
  width: 40%;
  border-radius: 0px 8px 8px 0px;
  display: flex;
  justify-content: center;
  align-items: center;

  .el-form {
    width: 214px;
    height: 307px;
  }

  .el-form-item {
    margin-bottom: 30px;
  }

  .el-form-item.is-error .el-input__inner {
    border: 0 !important;
    border-bottom: 1px solid #fd7065 !important;
    background: #fff !important;
  }

  .input-icon {
    height: 32px;
    width: 18px;
    margin-left: -2px;
  }

  .el-input__inner {
    border: 0;
    border-bottom: 1px solid #e9e9e8;
    border-radius: 0;
    font-size: 12px;
    font-weight: 400;
    color: #333333;
    height: 32px;
    line-height: 32px;
  }

  .el-input__prefix {
    left: 0;
  }

  .el-input--prefix .el-input__inner {
    padding-left: 26px;
  }

  .el-input__inner::placeholder {
    color: #aeb5c4;
  }

  .el-form-item--medium .el-form-item__content {
    line-height: 32px;
  }

  .el-input--medium .el-input__icon {
    line-height: 32px;
  }
}

.login-btn {
  border-radius: 17px;
  padding: 11px 20px !important;
  margin-top: 10px;
  font-weight: 500;
  font-size: 12px;
  border: 0;
  font-weight: 500;
  color: #333333;
  // background: #09a57a;
  background-color: #ffc200;

  &:hover,
  &:focus {
    // background: #09a57a;
    background-color: #ffc200;
    color: #ffffff;
  }
}

.login-form-title {
  height: 36px;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 40px;

  .title-label {
    font-weight: 500;
    font-size: 20px;
    color: #333333;
    margin-left: 10px;
  }
}
</style>
